ML17252A980

Letter Confirming a 05/21/1973 Conversation Concerning Isolation Condenser High Condensate Flow Isolation DPIS3-1349B Being Out of Calibration on 05/15/1973 - Dresden Unit 3

ML17252A980
Person / Time
Site:	Dresden
Issue date:	05/21/1973
From:	Worden W Commonwealth Edison Co
To:	Giambusso A US Atomic Energy Commission (AEC)
References
Download: ML17252A980 (2)

Text

• , ~-. .~*~*..[~J. *_*. ll\li*""

t.~.'.*j~..,,,  :.~:*,/./~"*.' *..i:f*:"~~~,_.,,*A~tory Fil~ ~;~ ~1;'1':,~. ...,~d~ .' *1- 1 ~&IS- *: .I '~ *A * . r--.<,* g,. .:-

I <~ ~i}~-#i

~ ...\ ~~(*""~'* ', ,*. . . * *

.* ..*-*h<1 . ;..\*** . - -* . . .

... x"

• . ~ . .

• "i"* ' ~ f3\;if"i'*

'" .. ,~ .. ~71 -~-"~"--'- *

• ~.. -* ---

  .-~:tm::.m.:_"'f'Yt'-*BM-5--0+"

" . * ' ACCT llBR. . . . ' .. *. . * *.

". ~*

"4 ; \* // .

. K' AND 0 I " .....,.. . ~t!i

-~

II-ti

~ . ~*--:;:) . '..:, .

I j I

.* * --c* -<40$IRlS--tLUNI>>$ . . --.*

.. *'* 7

.* J:.c' MR 'A 01~0 ... :***.... *.'.,.I. . . *. . . ~~;; ,;*.. . S0~-24'9 ,\

• _ .. -* ( ,, l,.'~~ (

DEPUY\' D f A!CTOR rOR R!ACTOR. PROJDU, . . ,.,*'-' r '  :

0. RECTOJU AmE or ... 'CENS I ND _.?'  : .* . .,. ~ '. " " '* . . > . \.; -/ . . ' .. ~~*

US ATOMIC ENERGY COMMISSION . /," -*:* . "" ' . _* ", '.." /.

wx . . *-. .* ...-;.*' *: ~~/ :.i.'* ""'"... . . . 1 .,: ....... *:', -.. ' .'G /

WASHINGTON D C 2094$ * ...,, ... :,,, * . . ; * " . * . . __ . . ,,

SUMCT .DPR-26 ~ MIUCL~~*~f.J~~ W~T 3* 11ft& w*~.* ... *:. *'*::f1

• CONtUl4 A.CllN\1118ATI~ W~"!! ~ """!:;~ ~..~ 0,,UE AT. . _.. ~'."'; . *\Jt l'

~;*;_,,1UO HOURS THIS DATE CDNCIANING _l&QLATION ODMJENStlR HIGH * --* i, .' .

,' .:'l,-,

• 1~*ro/~<n'UNSATE FLOW tsGLATtON f;JPl~134.tnf lluNC:*eur OF CALLISRATID~ .;:~?*~::*:it

,* ,v:* ,... OM MAY' 1&.*1973 TIC uJ&m*r* ~*c~a'vqtiim "11118 ~IJCH ~ HAVat:* /?.~::~,it;*

'A TR.1P $ETTING OF ~7 Ui~S IF ~TER D*lfrffltENTIAL WHlCH rJ(t£1EJ>$.. ,,*.::!:-5'..{.~:. ;t

. .,/ ,

• THI TEQIJMIAM!' .

. *lf f6~,LflNlrlWa~inf . .. 1\ . . 1. .

"9Re9' "1TER-* * **.: ".: . * '<F

. . END PAC£ t>>ll) -.:.:

-:*"' -- . . .. *:. . \ .~: ', .. ,"1 , .. *;: . *. . ~--~~~~---- .  ; --c- -  :" ~':f I

tN£ SWITCH WAS AEmrr' ~*~*.'..:*AT *ae.l tltMS OF WA~., . '.*.: *. '." .. *:*_.-.\:j.

.. \/::;:'.r'.?i': .*., P ~* . * .* . '.}**' C ...* *

• _::\:

ov~

~_,

~

• " ...~ ,, q- 1 .. * *' * * * ~8NQENTENT

• ...~* . '.::~* ,... .*. ~' * . DR£SOIN ,NtucUZ'AA P0W£R STATHJM

,::l ... ' ....:tmmr*1. .

• • • 1

"\G\

l -~

. .1 1*4\~1Ar2s1 913 ~: ~ *_,:*: 1\~;< *' ,*( . * ~*a 1LL1m1s

~/fl ~A'..

. *.~~Jr2. *; . o:;:'

5 "A ~-,./':<:::;*;;\fl~;~. ,1:**-."

(.:>:"**c~<" '°;~V.~;,l~ ;,".;,,;* *,~ .... ,~~; ::~.:::* "_ . ~*.. .t*:/ :d ('~ -

~\.-' t'<:><*'< ':<*"'* *.1* , :**** .. "{.:;'

,'I

-1..._

,, .\:1':.

r__,..-~-j flt~tN-" . _,

r

/

t ,.:. '.>>~~t

• ¥f, *.,

'. :. ;i. . *.*.: !{., j'. :~** *~~ .*if*: :.*;*!.":;~,*  :~:* \~!~;:y~l\

1

_.," ' i :*.:..* *..**... :*..' : *..

1

• Billing. D at~'-"ctilp~~.~~***a:~\f~~~:etao~**:shc~t- *:: :i *_ *.:'.~

• . . _.:, ._," .' .  ; . *~* .. -... <:.*.-:-.:;:t.

--*-* ~N Na*rn-EAe ~1 "srAfuw":: *~:":-":'.'mWJt 1 ;- *, .. I ~ *,. * >~!,:,

Bi II-to-name Address ~"* * .. , - * " :;::

NORfl}S IU.INOIS . . **. J*1t_/111 .!h5~92o / '

• 101 ~* ,:;.

(;ity State * .. Zip

• C~ype

• Cg Nbr ** Accepting Opr Nbr_  :'. ," ~i.:'..

-~. I Cf'N I . ./. . . ./ :

• I . tr / ":*:*: :~, . *,*:>?:.*:

~ Plus Chg Code Pius Chg Amt Gift Amt *rax AmtAgent ID <: .*, :* ~. *t.r W P \\()ROEN

~ **

.. *. .; .~ ..

. ' ~.* -

3434* "; ,..;'.

. -- . ' ' '/ ..

~'*#~;,

• .*.* '$'1~*

s,i.gna t ure * *, .. .. . * < : * * . . * ** "' *. * ~": *>-. *.~~1v

,  :. ,.:, '. .'l~",.:c;~~':j_.:\:; .~* . _:~;,,::\,;,; ..'i:>(r.,,,i __ ' :; '"*** ,., .. - * ~,'*,.:.!'.o"A""**~.;.~ .. },-/'Y

~.ti'.HB.u::::::ti..:ill<<J I *** ;a .1 'I- X1 i ,,, f . . ' - .* ~'. ~* ..

USAEC HQS GT\i1N 1973 MA\' 22 .M.l 9 0 I WU WSH OTLXA 161 WAD2 l .l ( 1643) ( l *028233C 14.l) PD 05/2 l/r3 l 64Jts. ATOr-:*c ~NF%Y l.OMM TWX tiNIT

!CS IPMVEIA MVN

£:H209 TOVE M.ORRIS ILL 86 05-21 140PI .

CDT ,.

PMS. A GI AMBUSSO.

) .

. DEPUTY DIRECTOR. FOR REACTOR PROJECTS DIRECl"ORATE. OF :LIC~NSING US ATOMIC ENERGY CO~MISSION

• WASHD_C. 205 45 SUBJECT DPR-25 DRESDEN NEUCLEAR POWER STATION UNIT I3: THIS WILL .

I .

CONFIRM A CONVERSATION WITH MR FRED MAURA OF" YOUR OFF'ICE AT 1320 HO.URS* THIS DATE CONCERNING ISOL-ATION CONDENSER HIGH CONDENSATE. FLOW I SLAT I ON DPIS3- t 349B BEiNG OUT OF .

. CALLIBRAT!ON. ON MAY 15, 1973 THE* INSTRUMENT MECHANI~S .

FOUND: THIS SWITCH TO HAV_E A TRIP SETT.I.NG OF 32. 7 tNCHES OF WATER

. I .

• DIF'F'ERENTIAL*'WHICH EXCEEDS THE*TEHCNICAL SPECIF'ICATI.ONS LIMJT OF 32 INCHES OF' WATER.

THE SWITCH WAS .RESET TO TRIP AT 29.5. INCHES OF, WATER WP WORDEN StJPERINTENDERt. DRESDEN NE:QCLEAR HOWER STATION

. ROUTE 1 MORRIS IL~INOIS DOCKETED USAEC 732P EDT.

USAEC HQS GTWN